6 Match the sentence halves. 1 If I watch that horror film, 2 If you help Sam with his homework, 3.If it rains tomorrow, 4 If you tell Tim about the party, 5 If we walk to school, A we'll be fitter. B we won't go for a walk. C I'll be terrified D he won't be grateful. He's in a mood. E he'll get very excited.